PartsTable
Technical Data Sheet
502-131 ✓ Verified by PartsTable
· HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The CONNECTOR BODY,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: SILICON SEMICONDUCTOR, overall_length: 0.140 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN, teeth_quantity: 25, mounting_method: TERMINAL, terminal_length: 1.000 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN, connection_style: PLAIN (PIPE) SECOND END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-040-2658, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
502-131
NSN: 4730-00-040-2658
FSC: 4730
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
materialSILICON SEMICONDUCTOR
overall_length0.140 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
teeth_quantity25
mounting_methodTERMINAL
terminal_length1.000 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
connection_stylePLAIN (PIPE) SECOND END
overall_diameter0.056 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
style_designatorRIGID, THREADED INTERNAL AND EXTERNAL
features_providedHERMETICALLY SEALED CASE
nominal_thread_size0.125 INCHES ALL ENDS IN
nominal_overall_length0.875 INCHES IN
end_item_identificationAIRCRAFT, AIRLIFTER C-17A A
NSN4730-00-040-2658
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 502-131 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
MATERIAL: COPPER ALLOY 360 OVERALL
NOMINAL OVERALL LENGTH: 0.875 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626,COMP 22 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATOR: RIGID, THREADED INTERNAL AND EXTERNAL
THREAD SERIES DESIGNATOR: NPTF ALL ENDS
REDUCED PASSAGE NOMINAL INSIDE DIAMETER: 0.062 INCHES SECOND END IN
NOMINAL THREAD SIZE: 0.125 INCHES ALL ENDS IN
NOMINAL PIPE SIZE ACCOMMODATED: 0.125 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY 360 OVERALL
NOMINAL OVERALL LENGTH0.875 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626,COMP 22 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORRIGID, THREADED INTERNAL AND EXTERNAL
THREAD SERIES DESIGNATORNPTF ALL ENDS
REDUCED PASSAGE NOMINAL INSIDE DIAMETER0.062 INCHES SECOND END IN
NOMINAL THREAD SIZE0.125 INCHES ALL ENDS IN
NOMINAL PIPE SIZE ACCOMMODATED0.125 INCHES SECOND END IN
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
50-213-1Interchangeable
interchangeable cross-reference
interchangeable
69-607Interchangeable
interchangeable cross-reference
interchangeable
04306-8144Interchangeable
interchangeable cross-reference
interchangeable
PL13213E5820-14Interchangeable
interchangeable cross-reference
interchangeable
13213E5831-1Interchangeable
interchangeable cross-reference
interchangeable
681013Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 502-131?
502-131 is a CONNECTOR BODY,PLUG,ELECTRICAL.
What parts can replace 502-131?
There are 20 known substitutes for 502-131: 50-213-1, 69-607, 04306-8144 and 17 more. Substitute compatibility should be verified for your specific system.
Is 502-131 still available?
502-131 is currently cancelled.
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